from the engineer department...Radar Level Transmitter in Fiber Board Factory
Is radar level transmitter suitable for fiber board factory?
By Sam on 31 October, 2014 - 7:37 am -
In my experience there are very few applications that cannot be measured with a radar so definitely...
from the Forum department...What Are the Standards in IEC6 1131-2 Type 1/2/3 Sensors
Looking for the specifications or the standards for IEC6 1131-2 Type 1/2/3 sensors.
from the Forum department...Blockage in Impulse Lines/ Filling Glycol
What is the best practice when you have blockage in impulse lines for flow transmitter how can clear the blockage?
what is the best equipment to fill glycol in level dp cell in both H & L sides?
what is the best equipment to fill glycol in level dp cell in both H & L sides?
Hopefully blockage isn't a problem, but to properly fill most d/p systems you need the proper...
Some forum threads on purging impulse lines: Purge with pneumatic differential relays ...
By Bruce Thompson on 30 October, 2014 - 9:45 am -
First off, the impulse lines should NEVER incur any blockage. So let's address what is causing the...
from the Instrumentation department...Why shield should be at one end in cabinets
When instrument shield connection to ground, why connect at one end of the cable, especially internal cables?
d, > The electricians only wire what is on the drawing and more than a few engineers have...
The electricians only wire what is on the drawing and more than a few engineers have made grounding...
Srbg, What you are describing is entirely possible--and would be correct as long as the shield...
Thanks for the info. I am particularly interested in why cannot we make our shield continuous...
from the Automation Safety department...AB or Siemens Equivalent Safety Product as Sick's Flexi-Loop
Is there any Allen Bradley or Siemens safety product that has similar modular capbilities as Sick's Flexi-Loop system?
By marionjlite on 28 October, 2014 - 2:01 am -
Looking forward to reading more. Great article. Much thanks again. Much obliged....
from the Forum department...Flow Measurement Using Load Cells
Measuring the flow coming out of a vessel using only a load cell to control a valve.
That method (loss of weight, flow measurement) is not often used in automatic control. It...
from the Instrumentation department...Instrument Control Loop
Maintenance procedure of process control loop.
By Hans H. Eder on 25 October, 2014 - 12:29 am -
As posted by dave, something must have changed. Besides hardware (valve) problems, there could be a...
from the Flow department...Experiences Using Flow Meters From Flow Technology
Looking for feedback on flow meters and flow computers from Flow Technology Inc
By Gerald Beaudoin on 24 October, 2014 - 1:28 pm -
Also...while looking at outputs, if intrinsically safe operation is an issue, you should look for...
If it operates as just a flow meter and totalizer, presumably it operates unattended. Someone just...
from the Forum department...Interface Level Measurement
Measuring interface level for drum boots level
By Sam on 22 October, 2014 - 6:05 am -
If you need help, supply more information on what you are working on like the details of the...
By Walt Boyes on 14 October, 2014 - 10:06 pm -
It is, of course, possible that the level isn¹t moving. Interface level is a seriously hard...
from the Automation List department...Connecting an Analog I/O Module to a Delta PLC
Having problems connecting an analog I/O module to my Delta PLC
By Cauê on 20 October, 2014 - 6:22 am -
> Should be the +I and Comm.... Please verify the voltage across this. > it should be 24V....
By PLC Programmer on 17 October, 2014 - 9:49 pm -
Should be the +I and Comm.... Please verify the voltage across this. it should be 24V. If yes...
The asterisk *2 on the DVP06XA-S wiring diagram means 'note 2', which says,"If input signal is...
By Cauê on 17 October, 2014 - 4:07 pm -
The feedback from the transducer is current, 4-20mA in 24Vdc but in sink type. I already tested it...
The SMC ITV 2050-043BL4 is an I/P transducer. The digit '4' in the part number is for the...
By PLC Programmer on 15 October, 2014 - 9:45 pm -
So Let me get this straight. You have tested the valve with a 24 V signal varying the current...
from the pressure setting department...Calibration Pressure
i need to make setting to pressure in jockey pump controller
from the Forum department...Contactless Card Reader and PLC
How to connect contactless card reader to PLC?
By PLC Programmer on 14 October, 2014 - 6:31 am -
Please describe, why are you trying to connect a card reader to a PLC....
from the Forum department...How to measure tank level through differential pressure
Differential pressure as tank level incorrect reading
Hi Joe, I'm struggling with choosing the right CO2 sensor for my system. Could you tell me what...
from the Forum department...Line Monitoring
Looking for some basic information about line monitoring
from the Forum department...Orifice plate with square root function enabled
differential pressure transmitter (orifice plate) measuring flow with the square root function enabled
By J. R. Saunders on 12 October, 2014 - 1:41 pm -
I like what David Todd said about calibrating the transmitter in linear mode (techs are very...
from the Forum department...Square root extraction in DCS
Square root extraction in DCS
By JRS on 11 October, 2014 - 8:04 pm -
Formulas and constants are for use with Engineering Units for DCS presentation to the Operators. ...
from the Forum department...Measuring Principle of Field Instruments
Regarding the selection of Instruments and its measuring principle
By Roy Matson on 11 October, 2014 - 6:59 am -
> I want to understand that how measuring principle of an instrument would be > decided like...
Tony Kuphaldt's massive tome on instrumentation, "Lessons In Industrial Instrumentation,...
from the Right way to do this? department...Pump Running Indication on Control Circuit
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
By PLC programmer on 10 October, 2014 - 9:21 pm -
This can be achieved in multiple ways. I guess you are already reading the Ampere load to the...
from the Forum department...Tubing and Piping
Any differences about the size standard for piping and Tubing?
Gary, I used my preferred Internet search engine with the following search term: "what...
from the Instrumentation Design department...Using a Standpipe with DP Level Transmitter
Can we use a standpipe with a DP type level transmitter?
Hey there, saw some info about this kind of thing on this blog, maybe it has the answer you're...
from the Automation List department...Why 4-20 ma is used in Analog Signals?
Why 4-20 ma is used in Analog Signals?
Hey there, found some seriously useful info about this on a blog here ...
from the Instrumentation department...Load cell output mV linearity
Whether load cell output in mV will linearly increment according to weight added to it?
In case of zero load, the load cell is showing some mV output with supply voltage - whether this...
Ideally, yes, but . . . . A load cell is ratiometric, that is, its output is proportional to the...
from the Instrumentation department...Reversing the Range for Level Transmitter While Measuring Level
After calibrating, why we are reversing the range for Level Transmitter while measuring Level?
By LItto on 28 September, 2014 - 3:07 am -
or you may do one more thing, consider the range from -2500 to 0. that is what we usually do in our...
from the Maintenance department...Speed sensor problem
Problem found in measures with passive magnetic sensors in a over-speed trip system.
By Bitoy on 23 September, 2014 - 11:45 pm -
Hello Bryan. Thanks a lot for the link. The site is very helpful and informative. Cheers....
from the control department...4 wire vs. 3 wire RTD
What is the difference between 4 wire RTD and 3 wire RTD?
3 wire is more than adequate at that distance. your vendor can better inform you as it depends...
Trying to establish voice contact ... please ____yell into keyboard.